A 6.0-kg object moving 2.0 m/s in the positive x direction has a one-dimensional elastic collision with a 4.0-kg object moving 3.0 m/s in the opposite direction. What is the total kinetic energy of the two-mass system after the collision?

a. 30 J
b. 62 J
c. 20 J
d. 44 J
e. 24 J


A

Physics & Space Science

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